“I'm sure we haven't seen the last of him.”

You and a friend are talking about a TV show that you both watch. In last night's episode, it looked like the show's villain was caught in an explosion. You don't think the character is really dead, though, so you say this.

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Say "I'm sure ___" when you're making a guess about something and you're pretty confident in your guess. You can imagine that the confidence level of someone who says "I'm sure ___" is maybe about 70%.

When you say "I'm sure..." it often means that you want something to happen or hope that it will happen. Here are some examples: